<template>
    <div class="app">
        <h1>你好</h1>
    </div>
</template>

<script lang="ts">
    export default {
        name: 'App'
    }
</script> 

<style scoped>
.app{
    background-color: #ddd;
    box-shadow: 0 0 10px;
    border-radius: 10px;
    padding: 20px;
}

</style>